Make BOOL unsigned; fix resulting latent bugs
[exim.git] / src / src / functions.h
CommitLineData
059ec3d9
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
80fea873 5/* Copyright (c) University of Cambridge 1995 - 2016 */
059ec3d9
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6/* See the file NOTICE for conditions of use and distribution. */
7
8
9/* Prototypes for functions that appear in various modules. Gathered together
10to avoid having a lot of tiddly little headers with only a couple of lines in
11them. However, some functions that are used (or not used) by utility programs
12are in in fact in separate headers. */
13
14
15#ifdef EXIM_PERL
16extern uschar *call_perl_cat(uschar *, int *, int *, uschar **, uschar *,
17 uschar **);
18extern void cleanup_perl(void);
19extern uschar *init_perl(uschar *);
20#endif
21
22
23#ifdef SUPPORT_TLS
a799883d
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24extern const char *
25 std_dh_prime_default(void);
26extern const char *
27 std_dh_prime_named(const uschar *);
9d1c15ef 28
9e4dddbd 29extern uschar * tls_cert_crl_uri(void *, uschar * mod);
9d1c15ef 30extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
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31extern uschar * tls_cert_issuer(void *, uschar * mod);
32extern uschar * tls_cert_not_before(void *, uschar * mod);
33extern uschar * tls_cert_not_after(void *, uschar * mod);
34extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
35extern uschar * tls_cert_serial_number(void *, uschar * mod);
36extern uschar * tls_cert_signature(void *, uschar * mod);
37extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
38extern uschar * tls_cert_subject(void *, uschar * mod);
39extern uschar * tls_cert_subject_altname(void *, uschar * mod);
40extern uschar * tls_cert_version(void *, uschar * mod);
9d1c15ef 41
59b87190 42extern uschar * tls_cert_der_b64(void * cert);
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43extern uschar * tls_cert_fprt_md5(void *);
44extern uschar * tls_cert_fprt_sha1(void *);
9ef9101c 45extern uschar * tls_cert_fprt_sha256(void *);
6a8a60e0 46
f5d78688 47extern int tls_client_start(int, host_item *, address_item *,
0e66b3b6 48 transport_instance *
790fbb71 49# ifdef EXPERIMENTAL_DANE
0e66b3b6 50 , dns_answer *
790fbb71 51# endif
0e66b3b6 52 );
817d9f57 53extern void tls_close(BOOL, BOOL);
9d1c15ef 54extern int tls_export_cert(uschar *, size_t, void *);
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55extern int tls_feof(void);
56extern int tls_ferror(void);
790fbb71 57extern void tls_free_cert(void **);
059ec3d9 58extern int tls_getc(void);
584e96c6 59extern void tls_get_cache(void);
9d1c15ef 60extern int tls_import_cert(const uschar *, void **);
817d9f57 61extern int tls_read(BOOL, uschar *, size_t);
17c76198 62extern int tls_server_start(const uschar *);
58eb016e 63extern BOOL tls_smtp_buffered(void);
059ec3d9 64extern int tls_ungetc(int);
389ca47a 65extern int tls_write(BOOL, const uschar *, size_t);
3375e053 66extern uschar *tls_validate_require_cipher(void);
36f12725 67extern void tls_version_report(FILE *);
e51c7be2 68# ifndef USE_GNUTLS
77bb000f 69extern BOOL tls_openssl_options_parse(uschar *, long *);
e51c7be2 70# endif
55414b25
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71extern uschar * tls_field_from_dn(uschar *, const uschar *);
72extern BOOL tls_is_name_for_cert(const uschar *, void *);
0e66b3b6
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73
74# ifdef EXPERIMENTAL_DANE
4b0fe319 75extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
0e66b3b6
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76# endif
77
35aba663 78#endif /*SUPPORT_TLS*/
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79
80
81/* Everything else... */
82
83extern acl_block *acl_read(uschar *(*)(void), uschar **);
84extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
05caaeaa 85extern int acl_eval(int, uschar *, uschar **, uschar **);
333eea9c 86
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87extern tree_node *acl_var_create(uschar *);
88extern void acl_var_write(uschar *, uschar *, void *);
e1af7642 89extern int auth_call_pam(const uschar *, uschar **);
059ec3d9 90extern int auth_call_pwcheck(uschar *, uschar **);
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91extern int auth_call_radius(const uschar *, uschar **);
92extern int auth_call_saslauthd(const uschar *, const uschar *,
93 const uschar *, const uschar *, uschar **);
16ff981e 94extern int auth_check_serv_cond(auth_instance *);
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95extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
96
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97extern int auth_get_data(uschar **, uschar *, int);
98extern int auth_get_no64_data(uschar **, uschar *);
99extern uschar *auth_xtextencode(uschar *, int);
100extern int auth_xtextdecode(uschar *, uschar **);
101
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102extern uschar *b64encode(uschar *, int);
103extern int b64decode(uschar *, uschar **);
7e3ce68e 104extern int bdat_getc(void);
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105extern void bits_clear(unsigned int *, size_t, int *);
106extern void bits_set(unsigned int *, size_t, int *);
107
2e5b33cd 108extern void cancel_cutthrough_connection(const char *);
55414b25 109extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 110extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
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111extern pid_t child_open_uid(const uschar **, const uschar **, int,
112 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
bc3c7bb7 113extern BOOL cleanup_environment(void);
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114extern uschar *cutthrough_finaldot(void);
115extern BOOL cutthrough_flush_send(void);
116extern BOOL cutthrough_headers_send(void);
117extern BOOL cutthrough_predata(void);
118extern BOOL cutthrough_puts(uschar *, int);
119extern BOOL cutthrough_put_nl(void);
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120
121extern void daemon_go(void);
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122
123#ifdef EXPERIMENTAL_DCC
124extern int dcc_process(uschar **);
125#endif
126
ed7f7860 127extern void debug_logging_activate(uschar *, uschar *);
b0d68adc 128extern void debug_logging_stop(void);
55414b25 129extern void debug_print_argv(const uschar **);
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130extern void debug_print_ids(uschar *);
131extern void debug_print_string(uschar *);
132extern void debug_print_tree(tree_node *);
1ba28e2b 133extern void debug_vprintf(const char *, va_list);
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134extern void decode_bits(unsigned int *, size_t, int *,
135 uschar *, bit_table *, int, uschar *, int);
059ec3d9 136extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 137extern void deliver_init(void);
817d9f57 138extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 139extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 140extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
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141extern void deliver_set_expansions(address_item *);
142extern int deliver_split_address(address_item *);
143extern void deliver_succeeded(address_item *);
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144
145extern uschar *deliver_get_sender_address (uschar *id);
146
1ba28e2b 147extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 148#ifndef DISABLE_DKIM
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149extern BOOL dkim_transport_write_message(int, transport_ctx *,
150 struct ob_dkim *);
f7572e5a 151#endif
059ec3d9 152extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 153extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 154extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 155extern void dns_init(BOOL, BOOL, BOOL);
0539a19d 156extern BOOL dns_is_aa(const dns_answer *);
1dc92d5a 157extern BOOL dns_is_secure(const dns_answer *);
55414b25 158extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 159extern void dns_pattern_init(void);
55414b25 160extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
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161extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
162extern uschar *dns_text_type(int);
36a3ae5f 163extern void dscp_list_to_stream(FILE *);
9e4f5962 164extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
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165
166extern void enq_end(uschar *);
e8ae7214 167extern BOOL enq_start(uschar *, unsigned);
0cbf2b82 168#ifndef DISABLE_EVENT
55414b25 169extern uschar *event_raise(uschar *, const uschar *, uschar *);
5ef5dd52 170extern void msg_event_raise(const uschar *, const address_item *);
774ef2d7 171#endif
9094b84b 172extern uschar ehlo_response(uschar *, size_t, uschar);
37f3dc43 173extern const uschar * exim_errstr(int);
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174extern void exim_exit(int);
175extern void exim_nullstd(void);
176extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
177extern int exim_tvcmp(struct timeval *, struct timeval *);
178extern void exim_wait_tick(struct timeval *, int);
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179extern int exp_bool(address_item *addr,
180 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
181 uschar *svalue, BOOL *rvalue);
059ec3d9 182extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
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183extern uschar *expand_string(uschar *); /* public, cannot make const */
184extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
f42deca9 185extern uschar *expand_hide_passwords(uschar * );
55414b25 186extern uschar *expand_string_copy(const uschar *);
97d17305 187extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 188extern void modify_variable(uschar *, void *);
059ec3d9 189
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190extern BOOL fd_ready(int, int);
191
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192extern int filter_interpret(uschar *, int, address_item **, uschar **);
193extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 194extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
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195extern BOOL filter_system_interpret(address_item **, uschar **);
196
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197extern uschar * fn_hdrs_added(void);
198
1ba28e2b 199extern void header_add(int, const char *, ...);
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200extern int header_checkname(header_line *, BOOL);
201extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 202extern int host_address_extract_port(uschar *);
059ec3d9 203extern uschar *host_and_ident(BOOL);
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204extern int host_aton(const uschar *, int *);
205extern void host_build_hostlist(host_item **, const uschar *, BOOL);
206extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
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207extern void host_build_log_info(void);
208extern void host_build_sender_fullhost(void);
a207d5dd 209extern int host_find_byname(host_item *, const uschar *, int,
1f155f8e 210 const uschar **, BOOL);
55414b25 211extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 212 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 213extern ip_address_item *host_find_interfaces(void);
55414b25 214extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 215extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 216extern int host_item_get_port(host_item *);
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217extern void host_mask(int, int *, int);
218extern int host_name_lookup(void);
6f0c9a4f 219extern int host_nmtoa(int, int *, int, uschar *, int);
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220extern uschar *host_ntoa(int, const void *, uschar *, int *);
221extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
222
94431adb 223extern uschar *imap_utf7_encode(uschar *, const uschar *,
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224 uschar, uschar *, uschar **);
225
83e029d5 226extern void invert_address(uschar *, uschar *);
7eb6c37c 227extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 228extern int ip_bind(int, int, uschar *, int);
a56cc2b8 229extern int ip_connect(int, int, const uschar *, int, int);
b1f8e4f8
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230extern int ip_connectedsocket(int, const uschar *, int, int,
231 int, host_item *, uschar **);
13363eba 232extern int ip_get_address_family(int);
55414b25 233extern void ip_keepalive(int, const uschar *, BOOL);
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234extern int ip_recv(int, uschar *, int, int);
235extern int ip_socket(int, int);
236
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237extern int ip_tcpsocket(const uschar *, uschar **, int);
238extern int ip_unixsocket(const uschar *, uschar **);
239extern int ip_streamsocket(const uschar *, uschar **, int);
240
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241extern int ipv6_nmtoa(int *, uschar *);
242
921b12ca 243extern uschar *local_part_quote(uschar *);
4840604e 244extern int log_create(uschar *);
921b12ca 245extern int log_create_as_exim(uschar *);
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246extern void log_close_all(void);
247
8523533c 248#ifdef WITH_CONTENT_SCAN
0f0c8159 249extern int malware(const uschar *, int);
dbc4b90d 250extern int malware_in_file(uschar *);
476be7e2 251extern void malware_init(void);
8523533c 252#endif
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253extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
254 unsigned int *, int, int, const uschar **);
255extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
256 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
257 const uschar *, const uschar **);
258extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
259 unsigned int *, int, BOOL, const uschar **);
260extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
261 const uschar **);
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262extern void md5_end(md5 *, const uschar *, int, uschar *);
263extern void md5_mid(md5 *, const uschar *);
264extern void md5_start(md5 *);
265extern void millisleep(int);
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266#ifdef WITH_CONTENT_SCAN
267struct mime_boundary_context;
54cdb463
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268extern int mime_acl_check(uschar *acl, FILE *f,
269 struct mime_boundary_context *, uschar **, uschar **);
55414b25 270extern int mime_decode(const uschar **);
f4d091fb 271extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
55414b25 272extern int mime_regex(const uschar **);
f4d091fb 273extern void mime_set_anomaly(int);
8523533c 274#endif
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275extern uschar *moan_check_errorcopy(uschar *);
276extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
277 BOOL, uschar *);
e0df1c83 278extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
1ba28e2b 279extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 280 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 281extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 282extern void moan_write_from(FILE *);
1ba28e2b 283extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 284
f9334a28 285extern int open_cutthrough_connection( address_item * addr );
e4bdf652 286
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287extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
288 BOOL);
289extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 290 const uschar *, uschar *, error_block **);
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291extern uschar *parse_find_address_end(uschar *, BOOL);
292extern uschar *parse_find_at(uschar *);
55414b25 293extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 294extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 295extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 296extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
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297extern int vaguely_random_number(int);
298#ifdef SUPPORT_TLS
299extern int vaguely_random_number_fallback(int);
300#endif
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301
302extern BOOL queue_action(uschar *, int, uschar **, int, int);
303extern void queue_check_only(void);
304extern void queue_list(int, uschar **, int);
305extern void queue_count(void);
306extern void queue_run(uschar *, uschar *, BOOL);
307
308extern int random_number(int);
e4a89c47 309extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
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310 uschar *, uschar *, uschar *, ugid_block *, address_item **,
311 uschar **, error_block **, int *, uschar *);
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312extern int rda_is_filter(const uschar *);
313extern BOOL readconf_depends(driver_instance *, uschar *);
314extern void readconf_driver_init(uschar *, driver_instance **,
315 driver_info *, int, void *, int, optionlist *, int);
316extern uschar *readconf_find_option(void *);
34e86e20 317extern void readconf_main(BOOL);
3257ed4b 318extern void readconf_print(uschar *, uschar *, BOOL no_labels);
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319extern uschar *readconf_printtime(int);
320extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 321extern int readconf_readtime(const uschar *, int, BOOL);
bf3c2c6b 322extern void readconf_rest(void);
55414b25 323extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
bf3c2c6b 324extern void readconf_save_config(const uschar *);
328895cc 325extern void read_message_body(BOOL);
8f128379 326extern void receive_bomb_out(uschar *, uschar *);
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327extern BOOL receive_check_fs(int);
328extern BOOL receive_check_set_sender(uschar *);
329extern BOOL receive_msg(BOOL);
8e669ac1 330extern int receive_statvfs(BOOL, int *);
059ec3d9 331extern void receive_swallow_smtp(void);
8523533c 332#ifdef WITH_CONTENT_SCAN
55414b25 333extern int regex(const uschar **);
8523533c 334#endif
1dc92d5a 335extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 336extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 337extern void retry_add_item(address_item *, uschar *, int);
55414b25 338extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 339 uschar **, uschar **);
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340extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
341extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 342 dbdata_retry *, time_t);
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343extern void retry_update(address_item **, address_item **, address_item **);
344extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
345extern uschar *rewrite_address_qualify(uschar *, BOOL);
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346extern header_line *rewrite_header(header_line *,
347 const uschar *, const uschar *,
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348 rewrite_rule *, int, BOOL);
349extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
350 rewrite_rule *);
351extern void rewrite_test(uschar *);
352extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
353 uschar **);
354extern int route_address(address_item *, address_item **, address_item **,
355 address_item **, address_item **, int);
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356extern int route_check_prefix(const uschar *, const uschar *);
357extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 358extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 359extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
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360extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
361 uschar **);
362extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
363 struct passwd **, uid_t *, uschar **);
364extern void route_init(void);
365extern void route_tidyup(void);
366
55414b25 367extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 368 int, int *);
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369extern int search_findtype(const uschar *, int);
370extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
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371 int *);
372extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
373extern void search_tidyup(void);
e0df1c83 374extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
5fb822fc
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375extern void sha1_end(hctx *, const uschar *, int, uschar *);
376extern void sha1_mid(hctx *, const uschar *);
377extern void sha1_start(hctx *);
e4a89c47 378extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 379 uschar *, address_item **, uschar **);
059ec3d9 380extern void sigalrm_handler(int);
58eb016e 381extern BOOL smtp_buffered(void);
059ec3d9 382extern void smtp_closedown(uschar *);
7eb6c37c
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383extern int smtp_connect(host_item *, int, int, uschar *, int,
384 transport_instance *);
385extern int smtp_sock_connect(host_item *, int, int, uschar *,
386 transport_instance * tb, int);
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387extern int smtp_feof(void);
388extern int smtp_ferror(void);
389extern uschar *smtp_get_connection_info(void);
6f6dedcc 390extern BOOL smtp_get_interface(uschar *, int, address_item *,
059ec3d9
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391 uschar **, uschar *);
392extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
393extern int smtp_getc(void);
584e96c6 394extern void smtp_get_cache(void);
059ec3d9 395extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 396extern void smtp_log_no_mail(void);
4f6ae5c3 397extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
059ec3d9 398extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
a5bd321b 399extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 400extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
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401extern void smtp_send_prohibition_message(int, uschar *);
402extern int smtp_setup_msg(void);
403extern BOOL smtp_start_session(void);
404extern int smtp_ungetc(int);
d7b47fd0 405extern BOOL smtp_verify_helo(void);
e0df1c83 406extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 407#ifdef WITH_CONTENT_SCAN
55414b25 408extern int spam(const uschar **);
0f0c8159 409extern FILE *spool_mbox(unsigned long *, const uschar *);
8523533c 410#endif
059ec3d9 411extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
41313d92
JH
412extern uschar *spool_fname(const uschar *, uschar *, uschar *, uschar *);
413extern uschar *spool_sname(const uschar *, uschar *);
789f8a4f 414extern int spool_open_datafile(uschar *);
059ec3d9
PH
415extern int spool_open_temp(uschar *);
416extern int spool_read_header(uschar *, BOOL, BOOL);
417extern int spool_write_header(uschar *, int, uschar **);
418extern int stdin_getc(void);
419extern int stdin_feof(void);
420extern int stdin_ferror(void);
421extern int stdin_ungetc(int);
422extern uschar *string_append(uschar *, int *, int *, int, ...);
76146973 423extern uschar *string_append_listele(uschar *, uschar, const uschar *);
00ba27c5 424extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
059ec3d9 425extern uschar *string_base62(unsigned long int);
c2f669a4
JH
426extern uschar *string_cat(uschar *, int *, int *, const uschar *);
427extern uschar *string_catn(uschar *, int *, int *, const uschar *, int);
84bbb4d8 428extern int string_compare_by_pointer(const void *, const void *);
059ec3d9 429extern uschar *string_copy_dnsdomain(uschar *);
55414b25 430extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 431extern uschar *string_copylc(const uschar *);
059ec3d9 432extern uschar *string_copynlc(uschar *, int);
55414b25 433extern uschar *string_dequote(const uschar **);
81f91683 434extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 435extern uschar *string_format_size(int, uschar *);
55414b25 436extern int string_interpret_escape(const uschar **);
b1f8e4f8 437extern int string_is_ip_address(const uschar *, int *);
8c5d388a 438#ifdef SUPPORT_I18N
0d7911ea
JH
439extern BOOL string_is_utf8(const uschar *);
440#endif
55414b25 441extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 442extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 443extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 444extern uschar *string_split_message(uschar *);
c7396ac5 445extern uschar *string_unprinting(uschar *);
8c5d388a 446#ifdef SUPPORT_I18N
3c8b3577 447extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH
448extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
449extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
450extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
451extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
452#endif
1ba28e2b
PP
453extern BOOL string_vformat(uschar *, int, const char *, va_list);
454extern int strcmpic(const uschar *, const uschar *);
455extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH
456extern uschar *strstric(uschar *, uschar *, BOOL);
457
458extern uschar *tod_stamp(int);
41afb5cb 459
35aba663 460extern void tls_modify_variables(tls_support *);
55414b25 461extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 462 BOOL *, oicf, void*);
059ec3d9 463extern void transport_init(void);
55414b25 464extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH
465 int);
466extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH
467extern BOOL transport_set_up_command(const uschar ***, uschar *,
468 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9
PH
469extern void transport_update_waiting(host_item *, uschar *);
470extern BOOL transport_write_block(int, uschar *, int);
1ba28e2b 471extern BOOL transport_write_string(int, const char *, ...);
6d5c916c
JH
472extern BOOL transport_headers_send(int, transport_ctx *,
473 BOOL (*)(int, transport_ctx *, uschar *, int));
6b46ecc6 474extern BOOL transport_write_message(int, transport_ctx *, int);
059ec3d9
PH
475extern void tree_add_duplicate(uschar *, address_item *);
476extern void tree_add_nonrecipient(uschar *);
477extern void tree_add_unusable(host_item *);
478extern int tree_insertnode(tree_node **, tree_node *);
55414b25 479extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 480extern void tree_write(tree_node *, FILE *);
38a0a95f 481extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 482
8523533c
TK
483#ifdef WITH_CONTENT_SCAN
484extern void unspool_mbox(void);
485#endif
8c5d388a 486#ifdef SUPPORT_I18N
fc362fc5
JH
487extern void utf8_version_report(FILE *);
488#endif
8523533c 489
4deaf07d
PH
490extern int verify_address(address_item *, FILE *, int, int, int, int,
491 uschar *, uschar *, BOOL *);
379ba7d0 492extern int verify_check_dnsbl(int, const uschar **, uschar **);
4deaf07d 493extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 494 uschar *, uschar *, int, int *);
059ec3d9 495extern int verify_check_headers(uschar **);
770747fd 496extern int verify_check_header_names_ascii(uschar **);
059ec3d9 497extern int verify_check_host(uschar **);
1c41c9cc 498extern int verify_check_notblind(void);
5130845b 499extern int verify_check_given_host(uschar **, host_item *);
55414b25
JH
500extern int verify_check_this_host(const uschar **, unsigned int *,
501 const uschar*, const uschar *, const uschar **);
059ec3d9
PH
502extern address_item *verify_checked_sender(uschar *);
503extern void verify_get_ident(int);
504extern BOOL verify_sender(int *, uschar **);
505extern BOOL verify_sender_preliminary(int *, uschar **);
506extern void version_init(void);
507
17c76198
PP
508extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
509
9d1c15ef
JH
510/* vi: aw
511*/
059ec3d9 512/* End of functions.h */